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Medical Xpress / Artery widening, not blockages, linked to common stroke

Scientists have uncovered new evidence that challenges long-held assumptions about the causes of a common type of stroke, offering clues as to why widely used treatments may not work. The study found that the buildup of fatty ...

May 6, 2026
Phys.org / A new kind of CRISPR could treat viral infection and cancer by shredding sick cells' DNA

A new kind of CRISPR that destroys cells rather than gene editing them has shown potential for killing sick cells while leaving healthy cells untouched. The technology has largely been tested in cells in a dish, but if it ...

May 6, 2026
Phys.org / Portable sensor detects PFAS in water on-site, cutting need for costly lab tests

A new study has unveiled a new method to cost-effectively and practically test for "forever chemicals" in water, potentially revolutionizing environmental PFAS monitoring. Led by Griffith University, the novel PFAS detection ...

May 6, 2026
Phys.org / Even the most remote ocean is contaminated with zinc from human sources, research reveals

The vast, deserted South Pacific is considered unspoiled nature. But this ocean is not as unspoiled as we would like to think. A new study by a group of researchers from ETH Zurich and the GEOMAR Helmholtz Center for Ocean ...

May 6, 2026
Phys.org / Landsat 9 captures Russia's restless Shiveluch volcano mid-eruption

Near-constant activity continues on the volcano in Russia. Shivelyuch (also called Shiveluch), the most northerly active volcano on the Kamchatka Peninsula, is one of the most active volcanoes in the world. On a near-daily ...

May 6, 2026
Medical Xpress / Testosterone suppresses brain tumor growth in males, study suggests

In a new study, scientists at Cleveland Clinic discovered that hormones associated with male development may play a key role in limiting the growth of brain tumors in men. The research team found that the loss of androgen ...

May 6, 2026
Phys.org / Buried electrical pathways across the US reveal new clues about Earth's interior and power grid risks

A solar storm like the one that caused a nine-hour blackout across Quebec in 1989 could have even more dramatic effects if it struck the eastern United States today. Now, scientists have developed new tools to detect these ...

May 4, 2026
Phys.org / AI matches human teachers: Brief pre-lecture chat boosts students' brain synchrony and learning outcomes

Millions of students worldwide have long relied on self-paced learning through pre-recorded video lectures, a model that forms the backbone of massive open online courses (MOOCs) and large-scale online education. Since the ...

May 6, 2026
Phys.org / Astronomers map lifetime of over 100,000 molecular clouds across 66 galaxies

An international team of astronomers has analyzed the data from the James Webb Space Telescope (JWST) and Atacama Large Millimeter/submillimeter Array (ALMA) to investigate giant molecular clouds in nearby galaxies. The new ...

May 5, 2026
Phys.org / JWST pins down the origins of a planetary odd couple

Across the Milky Way galaxy, a planetary odd couple is circling a star some 190 light years from Earth. A normally "lonely" hot Jupiter is sharing space with a mini-Neptune, in a rare and unlikely pairing that's had astronomers ...

May 5, 2026
Tech Xplore / Chemical hardness engineering boosts perovskite tandem efficiency to 30.3%

All-perovskite tandem solar cells are promising candidates for next-generation photovoltaics, as they harvest sunlight more efficiently than single-junction devices and can be fabricated through low-temperature solution processing. ...

May 6, 2026
Medical Xpress / Brain-based index may reveal Alzheimer's risk patterns in adults as young as 30

Over the past few decades, neuroscientists and medical researchers worldwide have been trying to leverage available health records, brain scans and other medical data to uncover biological markers associated with the onset ...

May 5, 2026